Ultralow-loss Si3N4 PICs generate path-encoded EPR pairs (F=0.9875) and fuse them into four-photon GHZ states at F=0.943(8) and 27 Hz—two orders of magnitude above prior silicon-photonic rates.
Chip -based quantum key distribution,
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Simulation-based design of a Si3N4/SiO2 aMZI with 500 ps delay, stable 3 dB coupling across C-band, and >0.99 visibility for gigahertz time-bin QKD.
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An ultralow-loss integrated photonic platform for discrete-variable quantum information processing
Ultralow-loss Si3N4 PICs generate path-encoded EPR pairs (F=0.9875) and fuse them into four-photon GHZ states at F=0.943(8) and 27 Hz—two orders of magnitude above prior silicon-photonic rates.
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Phase Stable Integrated Delay Line Asymmetric Mach Zehnder Interferometers Enabled by High Efficiency 3 dB Couplers for Chip Scale QKD
Simulation-based design of a Si3N4/SiO2 aMZI with 500 ps delay, stable 3 dB coupling across C-band, and >0.99 visibility for gigahertz time-bin QKD.